Isotopic Studies of Ore-Leads in the Hanson Lake – Flin Flon – Snow Lake Mineral Belt, Saskatchewan and Manitoba: Discussion

1973 ◽  
Vol 10 (3) ◽  
pp. 439-439
Author(s):  
A. C. Mukherjee
Keyword(s):  
Isotopic Studies ◽  
Mineral Belt ◽  
Flin Flon

Isotopic Studies of Ore-Leads in the Hanson Lake-Flin Flon-Snow Lake Mineral Belt Saskatchewan and Manitoba

1972 ◽  
Vol 9 (5) ◽  
pp. 500-513 ◽  
Author(s):  
D. F. Sangster
Keyword(s):  
Volcanic Rocks ◽  
Massive Sulfide ◽  
Good Evidence ◽  
Lake Area ◽  
Sulfide Ores ◽  
Geological Evidence ◽  
Isotopic Studies ◽  
Mineral Belt ◽  
Flin Flon ◽  
Host Rocks

Lead isotope abundances in 4 stratabound sulfide ores are presented and show characteristics of being single-stage lead deposits. Model ages based on these data range from 1780 ± 44 to 1900 ± 44 m.y. and are considered to be close approximations of the time of ore formation. Geological evidence in the massive sulfide deposits suggests they are coeval with their host rocks, which are predominantly volcanics of the Amisk Group. If this assumption is correct the average model lead age of the ores is essentially the age of the enclosing rocks. Within error limits the results are in good agreement with published Rb-Sr ages for Amisk rocks of the Flin Flon area, and with U-Pb ages in zircons of rhyolites, which also contain similar, massive sulfide ores in the Churchill Province of Arizona. This is considered to be good evidence that the Hanson Lake-Flin Flon-Snow Lake volcanic mineral belt, previously regarded as Archean, is Aphebian in part.A previously published Archean, Rb-Sr isochron for volcanic rocks in the Hanson Lake area may indicate that Amisk-type rocks are a folded complex of both Aphebian and Archean lithologies. The suggested Aphebian age of the Amisk-Missi Groups and their equivalents, indicates they are possibly eugeosynclinal equivalents of the miogeosynclinal Hurwitz sediments.

Ore mineralogy of the Chisel Lake Zn-Cu-Ag (+Au) VMS deposit in the Flin Flon – Snow Lake Domain, Manitoba, Canada

2019 ◽  
Vol 57 (6) ◽  
pp. 925-945 ◽  
Author(s):  
Paul Alexandre ◽  
Thomas Heine ◽  
Mostafa Fayek ◽  
Eric Potter ◽  
Ryan Sharpe
Keyword(s):  
Trace Elements ◽  
Major Elements ◽  
Chemical Compositions ◽  
Mineral Belt ◽  
Pyrite Formation ◽  
Ore Mineralogy ◽  
Flin Flon ◽  
Temperature And Pressure ◽  
Reliable Temperature ◽  
Two Populations

Abstract The Chisel Lake deposit, in the Flin Flon – Snow Lake Mineral Belt in northern Manitoba, is characterized by an ore mineral assemblage dominated by pyrite and sphalerite, with minor chalcopyrite, galena, and pyrrhotite and trace amounts of other Cu-, Fe-, Sb-, Sn-, As-, Ni-, and Ag-bearing sulfides. Silver is hosted in a variety of Ag-bearing sulfides (chalcopyrite and freibergite–argentotennantite series) and its own sulfide (acanthite). The major elements chemical compositions of the ore sulfides define two populations of sphalerite (Fe-rich and Fe-poor), three populations of chalcopyrite (pure, Ag-rich, and Ag- and Sb-rich), and a typical galena, in addition to pyrite and pyrrhotite. Trace elements are dominated by Mn and Cd for sphalerite; Sn, Zn, and Ge for chalcopyrite; Se and Ni for pyrrhotite; and As and Co for pyrite. Formation temperature was best estimated, from the Fe and trace elements (Ga, Ge, Mn, and In) concentrations in sphalerite, at approximately 340 °C, with other methods giving less reliable temperature and pressure estimates.

Isotopic studies of the sulfur component of the stratospheric aerosol layer

Tellus ◽  
1974 ◽  
Vol 26 (1-2) ◽  
pp. 222-234 ◽  
Author(s):  
A. W. Castleman Jr. ◽  
H. R. Munkelwitz ◽  
B. Manowitz
Keyword(s):  
Stratospheric Aerosol ◽  
Aerosol Layer ◽  
Isotopic Studies

scholarly journals Isotopic studies of the biosynthesis of the cerebroside fatty acids in rats

1963 ◽  
Vol 4 (3) ◽  
pp. 270-278 ◽  
Author(s):  
Amiya K. Hajra ◽  
Norman S. Radin
Keyword(s):  
Fatty Acids ◽  
Isotopic Studies
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